57421951558 has 16 divisors (see below), whose sum is σ = 88918231680. Its totient is φ = 27782683200.

The previous prime is 57421951549. The next prime is 57421951567. The reversal of 57421951558 is 85515912475.

It is an interprime number because it is at equal distance from previous prime (57421951549) and next prime (57421951567).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1038778 + ... + 1092658.

It is an arithmetic number, because the mean of its divisors is an integer number (5557389480).

Almost surely, 2^57421951558 is an apocalyptic number.

57421951558 is a deficient number, since it is larger than the sum of its proper divisors (31496280122).

57421951558 is a wasteful number, since it uses less digits than its factorization.

57421951558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71103.

The product of its digits is 2520000, while the sum is 52.

The spelling of 57421951558 in words is "fifty-seven billion, four hundred twenty-one million, nine hundred fifty-one thousand, five hundred fifty-eight".